EP3949649A4 - Indication of random access response transmission - Google Patents

Indication of random access response transmission Download PDF

Info

Publication number
EP3949649A4
EP3949649A4 EP19923552.4A EP19923552A EP3949649A4 EP 3949649 A4 EP3949649 A4 EP 3949649A4 EP 19923552 A EP19923552 A EP 19923552A EP 3949649 A4 EP3949649 A4 EP 3949649A4
Authority
EP
European Patent Office
Prior art keywords
indication
random access
access response
response transmission
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19923552.4A
Other languages
German (de)
French (fr)
Other versions
EP3949649A1 (en
Inventor
Samuli Turtinen
Benoist Sebire
Chunli Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP3949649A1 publication Critical patent/EP3949649A1/en
Publication of EP3949649A4 publication Critical patent/EP3949649A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP19923552.4A 2019-04-04 2019-04-04 Indication of random access response transmission Pending EP3949649A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/081549 WO2020199204A1 (en) 2019-04-04 2019-04-04 Indication of random access response transmission

Publications (2)

Publication Number Publication Date
EP3949649A1 EP3949649A1 (en) 2022-02-09
EP3949649A4 true EP3949649A4 (en) 2022-10-26

Family

ID=72664621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19923552.4A Pending EP3949649A4 (en) 2019-04-04 2019-04-04 Indication of random access response transmission

Country Status (4)

Country Link
US (1) US20220159728A1 (en)
EP (1) EP3949649A4 (en)
CN (1) CN113647189A (en)
WO (1) WO2020199204A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024044907A1 (en) * 2022-08-29 2024-03-07 Nec Corporation Methods, devices, and computer readable medium for communication
CN117099466A (en) * 2023-04-14 2023-11-21 上海移远通信技术股份有限公司 Method and apparatus in a node used for wireless communication

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101260079B1 (en) * 2007-02-06 2013-05-02 엘지전자 주식회사 Random access method in wireless communication system
KR101486352B1 (en) * 2007-06-18 2015-01-26 엘지전자 주식회사 Method of controlling uplink synchronization state at a user equipment in a mobile communication system
EP2235995B1 (en) * 2008-01-15 2019-10-16 LG Electronics Inc. Random access channel frequency diversity
US8494572B2 (en) * 2008-06-24 2013-07-23 Qualcomm Incorporated Method and apparatus for power control of first data transmission in random access procedure of FDMA communication system
US8693448B2 (en) * 2009-02-11 2014-04-08 Lg Electronics Inc. Random access procedure
US9363829B2 (en) * 2012-02-24 2016-06-07 Interdigital Patent Holdings, Inc. Random access in dynamic and shared spectrums
US9717071B2 (en) * 2013-08-16 2017-07-25 Qualcomm Incorporated Uplink procedures for LTE/LTE-A communication systems with unlicensed spectrum
EP4145757A1 (en) * 2015-01-28 2023-03-08 Interdigital Patent Holdings, Inc. Triggering aperiodic sounding reference signals
US10123350B2 (en) * 2015-02-06 2018-11-06 Htc Corporation Communication device and wireless communication system for handling random access procedure
US10136452B2 (en) * 2015-02-24 2018-11-20 Qualcomm Incorporated Enhanced PRACH for standalone contention based communications including unlicensed spectrum
US10477578B2 (en) * 2015-03-24 2019-11-12 Lg Electronics Inc. Uplink data transmission method and user equipment, and uplink data reception method and base station
US10420147B2 (en) * 2015-07-05 2019-09-17 Ofinno, Llc Random access process in carrier aggregation
WO2017136458A2 (en) * 2016-02-02 2017-08-10 Intel IP Corporation Listen-before-talk (lbt) failure during a random access procedure
WO2017171999A1 (en) * 2016-03-31 2017-10-05 Intel IP Corporation Physical random access channel design for licensed assisted access
CN107517501A (en) * 2016-06-15 2017-12-26 北京智讯伙伴科技有限公司 A kind of accidental access method and device
EP3499767A4 (en) * 2016-08-10 2019-08-28 Huawei Technologies Co., Ltd. Hybrid automatic repeat request method and terminal device
KR20200140311A (en) * 2018-04-04 2020-12-15 콘비다 와이어리스, 엘엘씨 Random access with unlicensed cells
EP3860293B1 (en) * 2018-09-26 2024-03-06 Fujitsu Limited Processing method, device and system for lbt monitoring failure
US11412422B2 (en) * 2019-03-14 2022-08-09 Ofinno, Llc Handover in unlicensed band
US11452011B2 (en) * 2019-03-29 2022-09-20 Huawei Technologies Co., Ltd. User equipment-centric inter-cell mobility

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
MEDIATEK INC: "MAC behaviour for LBT failures in Msg1 and Msg3 transmissions", vol. RAN WG2, no. Xi'An, China; 20190408 - 20190412, 28 March 2019 (2019-03-28), XP051693648, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG2%5FRL2/TSGR2%5F105bis/Docs/R2%2D1904432%2Ezip> [retrieved on 20190328] *
QUALCOMM INCORPORATED: "4-step RACH procedures for NR-U", vol. RAN WG2, no. Athens, Greece; 20190225 - 20190301, 15 February 2019 (2019-02-15), XP051603543, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG2%5FRL2/TSGR2%5F105/Docs/R2%2D1902200%2Ezip> [retrieved on 20190215] *
See also references of WO2020199204A1 *
VIVO: "Increasing Msg1 Transmission Opportunities for NR-U", vol. RAN WG2, no. Xi'an, China; 20190408 - 20190412, 29 March 2019 (2019-03-29), XP051692359, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG2%5FRL2/TSGR2%5F105bis/Docs/R2%2D1903078%2E.zip> [retrieved on 20190329] *
ZTE CORPORATION ET AL: "4-step RACH procedure for NR-U", vol. RAN WG2, no. Xi'an, China; 20190408 - 20190412, 28 March 2019 (2019-03-28), XP051692802, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG2%5FRL2/TSGR2%5F105bis/Docs/R2%2D1903537%2Ezip> [retrieved on 20190328] *

Also Published As

Publication number Publication date
EP3949649A1 (en) 2022-02-09
US20220159728A1 (en) 2022-05-19
WO2020199204A1 (en) 2020-10-08
CN113647189A (en) 2021-11-12

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